float64 pub_t
uint8 from_uav
uint8 flags #0000 000(quick communication) 
uint16[]  local_fn
float32[] dist_to_local_fn

uint16[]  connect_fn
float32[] dist_to_connect_fn

uint32[]  connect_hn
uint32[]  hn_pos_idx
float32[] dist_to_connect_hn  

